70107

Appears in sequences

• When squared gives number composed of digits {1,4,9}.at n=10A027675
• Base-10 palindromes that start with 7.at n=23A043042
• Beginning with 1 palindromes with prime successive differences.at n=30A088049
• Numbers k such that k and k^2 use only the digits 0, 1, 4, 7 and 9.at n=37A136865
• Numbers n with property that n^2 starts and ends with 49.at n=19A159815
• Numbers k with squares that are concatenations k^2 = x//y such that x is an anagram of y.at n=32A162945
• Palindromic composite numbers starting with a digit 7.at n=18A222728
• Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.at n=6A239982
• T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.at n=51A239986
• Number of 7 X n 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.at n=3A239991
• a(n) is the sum of all symmetric valleys in the set of flattened Catalan words of length n.at n=8A372878